algebraic complement
81Mandelbrot set — Initial image of a Mandelbrot set zoom sequence with a continuously coloured environment …
82Interior (topology) — The point x is an interior point of S, since it is contained within S together with an open ball around it. The point y is on the boundary of S. In mathematics, specifically in topology, the interior of a set S of points of a topological space… …
83Alexander duality — In mathematics, Alexander duality refers to a duality theory presaged by a result of 1915 by J. W. Alexander, and subsequently further developed, particularly by P. S. Alexandrov and Lev Pontryagin. It applies to the homology theory properties of …
84Set theory — This article is about the branch of mathematics. For musical set theory, see Set theory (music). A Venn diagram illustrating the intersection of two sets. Set theory is the branch of mathematics that studies sets, which are collections of objects …
85Vertex-transitive graph — In mathematics, a vertex transitive graph is a graph G such that, given any two vertices v1 and v2 of G , there is some automorphism : f : V(G) → V(G) such that : f (v1) = v2. In other words, a graph is vertex transitive if its automorphism group …
86Cylinder set — In mathematics, a cylinder set is the natural open set of a product topology. Cylinder sets are particularly useful in providing the base of the natural topology of the product of a countable number of copies of a set. If V is a finite set, then… …
87Euler class — In mathematics, specifically in algebraic topology, the Euler class, named after Leonhard Euler, is a characteristic class of oriented, real vector bundles. Like other characteristic classes, it measures how quot;twisted quot; the vector bundle… …
88Amoeba (mathematics) — p(z, w)=w 2z 1., [ right|thumb|The amoeba of p(z, w)=3z^2,+5zw+w^3+1., Notice the vacuole in the middle of the amoeba.] P(z, w)=1 + z,+ z^2 + z^3 + z^2w^3,+ 10zw + 12z^2w,+ 10z^2w^2., P(z, w)=50 z^3,+83 z^2 w+24 z w^2,+w^3+392 z^2,+414 z w+50 w^2 …
89Zhegalkin polynomial — Zhegalkin (also Zegalkin or Gegalkine) polynomials form one of many possible representations of the operations of Boolean algebra. Introduced by the Russian mathematician I.I. Zhegalkin in 1927, they are the polynomials of ordinary high school… …
90linguistics — /ling gwis tiks/, n. (used with a sing. v.) the science of language, including phonetics, phonology, morphology, syntax, semantics, pragmatics, and historical linguistics. [1850 55; see LINGUISTIC, ICS] * * * Study of the nature and structure of… …
